总的来说，科钻一井施工采用了许多特殊和新型的钻探技术，施工获得了高效、优质和低成本的好效果。
Many special and new drilling technologies have been used in the drilling operation of CCSD-1, and high-efficiency, good-quality and low-cost drilling results have been achieved.
总的来说，科钻一井施工采用了许多特殊和新型的钻探技术，施工获得了高效、优质和低成本的好效果。
Many special and new drilling technologies have been used in the drilling operation of CCSD-1, and high-efficiency, good-quality and low-cost drilling results have been achieved.
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